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CSSStyleDeclaration JS Conversion


JavaScript 클래스 정적


예시

정적 메서드를 만들고 클래스에서 호출합니다.

class Car {
  constructor(brand) {
    this.carname = brand;
  }
  static hello() {  // static method
    return "Hello!!";
  }
}

mycar = new Car("Ford");

//Call 'hello()' on the class Car:
document.getElementById("demo").innerHTML = Car.hello();

//and NOT on the 'mycar' object:
//document.getElementById("demo").innerHTML = mycar.hello();
//this would raise an error.


정의 및 사용

static 키워드는 클래스에 대한 정적 메서드를 정의합니다 .

Car정적 메서드는 클래스 의 인스턴스/객체( )를 생성하지 않고 클래스에서 직접 호출됩니다( 위의 예에서 참조) mycar.


브라우저 지원

static ECMAScript6(ES6) 기능입니다.

ES6(JavaScript 2015)은 모든 최신 브라우저에서 지원됩니다.

Chrome Edge Firefox Safari Opera
Yes Yes Yes Yes Yes

static Internet Explorer 11(또는 이전)에서는 지원되지 않습니다.


통사론

static methodName()

기술적 세부 사항

자바스크립트 버전: ECMAScript 2015(ES6)

더 많은 예

mycar 객체를 사용하려면 정적 메서드 내에서 매개변수로 보낼 수 있습니다.

예시

"mycar"를 매개변수로 보냅니다.

class Car {
  constructor(brand) {
    this.carname = brand;
  }
  static hello(x) {
    return "Hello " + x.carname;
  }
}

mycar = new Car("Ford");

document.getElementById("demo").innerHTML = Car.hello(mycar);


관련 페이지

JavaScript 튜토리얼: JavaScript 클래스

JavaScript 튜토리얼: JavaScript ES6(EcmaScript 2015)

JavaScript 참조: 생성자() 메서드